$25.28
3.34
Not a lot to go on here. If the meal was 20 dollars and the tip was 7 dollars, that's 35 percent. Very generous. If the 7 dollar tip was 20 percent of the meal, the meal was 35 dollars.
$10.40
Ten percent of 14.41 would be 1.44; double that to get 2.88. For a tip, I'd leave $3 in cash.
1050 x 0.20 =210 20% =210
20 plus 15 percent = 23
9.00
11.30
$25.28
$3.78
52.5
20 percent tip on a 27.32 bill = 5.50 20% * 27.32 = 0.2 + 27.32 = 5.464 or 5.50 rounded off to the nearest tenths
13 dollars - 20 percent plus 8 percent = 11.232
3.50
3.34
15-20 percent is the standard tip for services rendered.